Finite Group Databasebeta
Cayley diagram

#93624

order512
nilpotency class4
isoclinismisoclinic class of #93517
automorphism?
homologyAbelianization (H1) = C42 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23#340
commutatorC22×C8C42
Frattini, cosocleC22×C4×C8C22
prime radicalC24#107
LCSG ▷ C22×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ C22×C4×C8 ◁ G
LECSG ▷ C22×C4×C8 ▷ C22×C4 ▷ C2 ▷ C1

250 conjugacy classes of subgroups; only the 74 normal subgroups are shown.

normal subgroups only

This group has 250 conjugacy classes of subgroups — too many to draw. Only its 74 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 2 generators on 40 points:

(1,2)(3,5,7,8)(4,6)(9,10,12,17,14,18,13,16)(11,19,20,15,22,23,21,24)(25,26)(27,31)(28,35)(29,34)(30,33)(32,37)(36,40)(38,39);(1,3)(2,5,6,8)(4,7)(9,11,13,21,14,22,12,20)(10,15,17,23,18,24,16,19)(26,31,33,39)(27,36)(28,29)(32,35,40,34)(37,38)

Polycyclic presentation:

2^9|a^2=d,b^2=e,c^2=fhi,d^2=fg,e^2=fg,f^2=i,g^2=i,b^a=bc,c^a=cf,e^a=efghi,f^a=fi,g^a=gi,c^b=cg,d^b=dh,f^b=fi,g^b=gi

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 820);